The PE1V31018 from Pasternack Enterprises Inc is a Voltage Controlled Oscillator with Frequency 850 to 890 MHz, Power 4 to 10 mW (6 to 10 dBm), Tuning Sensitivity 40 MHz/V, Tuning Voltage 0 to 5 V, Pulling 5 MHz. Tags: Module with Connectors. More details for PE1V31018 can be seen below.